/Engine/Source/Runtime/SlateCore/Public/Application/SlateApplicationBase.h
Creates a title bar for the specified window.
The new title bar widget.
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > MakeWindowTitleBar ( const [FWindowTitleBarArgs](API\Runtime\SlateCore\Application\FWindowTitleBarArgs) & InArgs, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IWindowTitleBar](API\Runtime\SlateCore\Application\IWindowTitleBar) > & OutTitleBar ) const